NFS: make nfs_callback_tcpport per network context

Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

diff --git a/fs/nfs/callback.c b/fs/nfs/callback.c
index 64e87ec..94aa9d8 100644 (file)
--- a/fs/nfs/callback.c
+++ b/fs/nfs/callback.c
@@ -23,6 +23,7 @@
 #include "nfs4_fs.h"
 #include "callback.h"
 #include "internal.h"
+#include "netns.h"
 
 #define NFSDBG_FACILITY NFSDBG_CALLBACK
 
@@ -42,14 +43,15 @@ unsigned short nfs_callback_tcpport6;
 static int nfs4_callback_up_net(struct svc_serv *serv, struct net *net)
 {
        int ret;
+       struct nfs_net *nn = net_generic(net, nfs_net_id);
 
        ret = svc_create_xprt(serv, "tcp", net, PF_INET,
                                nfs_callback_set_tcpport, SVC_SOCK_ANONYMOUS);
        if (ret <= 0)
                goto out_err;
-       nfs_callback_tcpport = ret;
+       nn->nfs_callback_tcpport = ret;
        dprintk("NFS: Callback listener port = %u (af %u, net %p)\n",
-                       nfs_callback_tcpport, PF_INET, net);
+                       nn->nfs_callback_tcpport, PF_INET, net);
 
        ret = svc_create_xprt(serv, "tcp", net, PF_INET6,
                                nfs_callback_set_tcpport, SVC_SOCK_ANONYMOUS);

diff --git a/fs/nfs/callback.h b/fs/nfs/callback.h
index 3094044..1c167d1 100644 (file)
--- a/fs/nfs/callback.h
+++ b/fs/nfs/callback.h
@@ -208,7 +208,6 @@ extern int nfs4_set_callback_sessionid(struct nfs_client *clp);
 #define NFS41_BC_MAX_CALLBACKS 1
 
 extern unsigned int nfs_callback_set_tcpport;
-extern unsigned short nfs_callback_tcpport;
 extern unsigned short nfs_callback_tcpport6;
 
 #endif /* __LINUX_FS_NFS_CALLBACK_H */

diff --git a/fs/nfs/netns.h b/fs/nfs/netns.h
index 0539de1..1538d3a 100644 (file)
--- a/fs/nfs/netns.h
+++ b/fs/nfs/netns.h
@@ -22,6 +22,7 @@ struct nfs_net {
        struct list_head nfs_volume_list;
 #if IS_ENABLED(CONFIG_NFS_V4)
        struct idr cb_ident_idr; /* Protected by nfs_client_lock */
+       unsigned short nfs_callback_tcpport;
 #endif
        spinlock_t nfs_client_lock;
        struct timespec boot_time;

diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c
index a5331ec..716cdc2 100644 (file)
--- a/fs/nfs/nfs4state.c
+++ b/fs/nfs/nfs4state.c
@@ -56,6 +56,7 @@
 #include "delegation.h"
 #include "internal.h"
 #include "pnfs.h"
+#include "netns.h"
 
 #define NFSDBG_FACILITY                NFSDBG_STATE
 
@@ -73,10 +74,11 @@ int nfs4_init_clientid(struct nfs_client *clp, struct rpc_cred *cred)
        };
        unsigned short port;
        int status;
+       struct nfs_net *nn = net_generic(clp->cl_net, nfs_net_id);
 
        if (test_bit(NFS4CLNT_LEASE_CONFIRM, &clp->cl_state))
                goto do_confirm;
-       port = nfs_callback_tcpport;
+       port = nn->nfs_callback_tcpport;
        if (clp->cl_addr.ss_family == AF_INET6)
                port = nfs_callback_tcpport6;